[INFO] fetching crate mogi_system 0.1.0...
[INFO] checking mogi_system-0.1.0 against 1.95.0 for pr-155915
[INFO] extracting crate mogi_system 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate mogi_system 0.1.0
[INFO] finished tweaking crates.io crate mogi_system 0.1.0
[INFO] tweaked toml for crates.io crate mogi_system 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mogi_system 0.1.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mogi_system 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mogi_utilities v0.1.0
[INFO] [stderr]   Downloaded smallvec v2.0.0-alpha.12
[INFO] [stderr]   Downloaded slotmap v1.1.1
[INFO] [stderr]   Downloaded zerocopy-derive v0.9.0-alpha.0
[INFO] [stderr]   Downloaded zerocopy v0.9.0-alpha.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b92eee497af39b8fe52b1e940280a3be9d49c122810c558019641ef3dfb8f458
[INFO] running `Command { std: "docker" "start" "-a" "b92eee497af39b8fe52b1e940280a3be9d49c122810c558019641ef3dfb8f458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b92eee497af39b8fe52b1e940280a3be9d49c122810c558019641ef3dfb8f458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b92eee497af39b8fe52b1e940280a3be9d49c122810c558019641ef3dfb8f458", kill_on_drop: false }`
[INFO] [stdout] b92eee497af39b8fe52b1e940280a3be9d49c122810c558019641ef3dfb8f458
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe5809f90c74a04a71c90ed43d2f20f5fdfb0fe923e6a918a786ddef8de2ac04
[INFO] running `Command { std: "docker" "start" "-a" "fe5809f90c74a04a71c90ed43d2f20f5fdfb0fe923e6a918a786ddef8de2ac04", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.13.2
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling zerocopy v0.9.0-alpha.0
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking smallvec v2.0.0-alpha.12
[INFO] [stderr]    Compiling slotmap v1.1.1
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking bitflags v2.11.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]    Compiling convert_case v0.10.0
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling zerocopy-derive v0.9.0-alpha.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking derive_more v2.1.1
[INFO] [stderr]     Checking mogi_utilities v0.1.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mogi_utilities-0.1.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(min_specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mogi_utilities` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "fe5809f90c74a04a71c90ed43d2f20f5fdfb0fe923e6a918a786ddef8de2ac04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe5809f90c74a04a71c90ed43d2f20f5fdfb0fe923e6a918a786ddef8de2ac04", kill_on_drop: false }`
[INFO] [stdout] fe5809f90c74a04a71c90ed43d2f20f5fdfb0fe923e6a918a786ddef8de2ac04